Finding the Fourth Proportional to 1,722,465.88, 2,374,538.97 and 1,211,582.68
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Solution
The fourth proportional to 1,722,465.88, 2,374,538.97 and 1,211,582.68 is: 1,670,250.96
Step by Step Solution
- Step 1: Write the proportion equation
1,722,465.88 : 2,374,538.97 = 1,211,582.68 : x - Step 2: Convert to fraction form
1,722,465.88/2,374,538.97 = 1,211,582.68/x - Step 3: Cross multiply
1,722,465.88x = 2,374,538.97 × 1,211,582.68 - Step 4: Simplify right side
1,722,465.88x = 2,876,950,289,037.04 - Step 5: Solve for x
x = 2,876,950,289,037.04/1,722,465.88 - Step 6: Final answer
x = 1,670,250.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.